diff --git a/src/UnicaenSynchro/Service/Synchronisation/SynchronisationService.php b/src/UnicaenSynchro/Service/Synchronisation/SynchronisationService.php
index 5403194e7fa500c8293f63aab3deb0725583f2c6..6be11e530d13454cf5c215ed4fc29af16d34edaa 100644
--- a/src/UnicaenSynchro/Service/Synchronisation/SynchronisationService.php
+++ b/src/UnicaenSynchro/Service/Synchronisation/SynchronisationService.php
@@ -78,7 +78,17 @@ class SynchronisationService
 
             $correspondance    = $this->getFromConfig($name, 'correspondance');
             $orm_source        = $this->entityManagers[$this->getFromConfig($name, 'orm_source')];
+            if ($orm_source === null) {
+                echo "\033[31m\033[1mPas d'ORM source\033[0m\n";
+                echo "La synchronisation [".$name."] n'a pas d'ORM source [".$this->getFromConfig($name, 'orm_source')."]\n";
+                exit(404);
+            }
             $orm_destination   = $this->entityManagers[$this->getFromConfig($name, 'orm_destination')];
+            if ($orm_destination === null) {
+                echo "\033[31m\033[1mPas d'ORM destination\033[0m\n";
+                echo "La synchronisation [".$name."] n'a pas d'ORM destination [".$this->getFromConfig($name, 'orm_destination')."]\n";
+                exit(404);
+            }
             $table_source      = $this->getFromConfig($name, 'table_source');
             $table_destination = $this->getFromConfig($name, 'table_destination');
             $id_source         = $this->getFromConfig($name, 'id');